package com.dsj.system.config;

import org.apache.shiro.session.Session;
import org.apache.shiro.session.SessionListener;

import java.util.concurrent.atomic.AtomicInteger;

public class BDSessionListener implements SessionListener {

  private final AtomicInteger sessionCount = new AtomicInteger(0);

  @Override
  public void onStart(Session session) {
    sessionCount.incrementAndGet();
  }

  @Override
  public void onStop(Session session) {
    sessionCount.decrementAndGet();
  }

  @Override
  public void onExpiration(Session session) {
    sessionCount.decrementAndGet();

  }

  public int getSessionCount() {
    return sessionCount.get();
  }

}
